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Drupal 7 released

Version 7 of the PHP-based Drupal content management system (CMS) was released on Wednesday. Improvements include, the removal of barriers in the back end and in the generated pages, a Render API for simplified theming, automated tests for modules and patches, database abstraction and user-defined fields for various types of content. Drupal 7 can be expanded via more than 850 modules.

With the release of the new version, the developers have discontinued the support of version 5. Drupal 5 users are advised to switch to a newer version as soon as possible; upgrading is only possible to the next main version number. Additionally, Drupal 7 will no longer run on obsolete database and PHP versions: It requires PHP 5.2 (the previous version could still be made to work with the outdated PHP 4) with PDO extension for database abstraction, as well as MySQL 5 or PostgreSQL 8.3. Alternatively, version 7 of Drupal is the first to cooperate with SQLite; other database products can be used via modules.